Signal lamp



1. Signal lamp

1.1: Reference view of the Front

1.2: Front

1.3: Left

1.4: Right

1.5: Bottom

1.6: Top

1.7: Reference view of the Right

The broken line showing of a driver's helmet is for the purpose of illustrating environment and forms no part of the claimed design.

Signal lamp attached to a driver's helmet. 

CLAIM The ornamental design for a signal lamp, as shown and described. 